1 | /* |
2 | * QNull |
3 | * |
4 | * Copyright (C) 2015 Red Hat, Inc. |
5 | * |
6 | * Authors: |
7 | * Markus Armbruster <armbru@redhat.com> |
8 | * |
9 | * This work is licensed under the terms of the GNU LGPL, version 2.1 |
10 | * or later. See the COPYING.LIB file in the top-level directory. |
11 | */ |
12 | |
13 | #ifndef QNULL_H |
14 | #define QNULL_H |
15 | |
16 | #include "qapi/qmp/qobject.h" |
17 | |
18 | struct QNull { |
19 | struct QObjectBase_ base; |
20 | }; |
21 | |
22 | extern QNull qnull_; |
23 | |
24 | static inline QNull *qnull(void) |
25 | { |
26 | return qobject_ref(&qnull_); |
27 | } |
28 | |
29 | bool qnull_is_equal(const QObject *x, const QObject *y); |
30 | |
31 | #endif /* QNULL_H */ |
32 | |